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A slipping belt can screw up the effeciency of an alternator, that's for sure.
The alternator is also a converter, mechanical energy into electrical. So a t a load of 50 Amp at 13 Volt, I take this number as an example, the electrical power would be 13V x 50A = 650 W
Some of the mechanical power is lost in heat, mechanical friction etc. so assuming the alternator works at 90-95% efficiency about 5 to 10% more of mechanical power is needed. In the example roughly 700 Watt would be needed. One horse power is about 746 Watt.
Thats almost one horsepower that the belt is looking at.
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Mostly, I don't know notin, I just know where to look.
I am looking back, to over 30 years in Electronics Design.
Electrons don't care if they move in a car, computer or relay!
95 W124 E320 M104.992 - Because, I love to repair, naaaah!
Over 221,000 Miles
Cheers,
Norbert
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